Ammonite Fossils with Spiked Spines / 1.5-2.5" AVG - 1 KILO LOT menu stars This 100% natural agate has

This 100% natural agate has been heat-treated to add a special metallicized aura effect

Pieces measure approximately 37x28mm (AVERAGE SIZE)

Avg Size Range: 1 to 1

Pieces measure approximately 20-50mm (AVERAGE SIZE)

Ammonite Fossils with Spiked Spines / 1.5-2.5" AVG - 1 KILO LOT menu stars This 100% natural agate hasQuantity: 1 kilogram Average size range: 1. 5 to 2. 5 inches Ammonites were spiral shelled animals that lived hundreds of millions of years ago, and are most closely related to modern day octopi and cuttlefish than mollusks. The fossils for these species are so widespread that paleontologists and geologists use them as index fossils to determine when rock layers formed.